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Potassium Iodide → HCID 71272497、化合物

HRID 2204901
ノート
印刷プレビュー

反応式

HRID 2204901 の反応式
[OH:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][C:9]#[N:10])=[CH:4][CH:3]=1.Cl[CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][CH2:19][OH:20].C(=O)([O-])[O-].[K+].[K+].[I-].[K+]>CN(C)C=O>[OH:20][CH2:19][CH2:18][CH2:17][CH2:16][CH2:15][CH2:14][CH2:13][CH2:12][O:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][C:9]#[N:10])=[CH:4][CH:3]=1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 4875Potassium IodideHCID 11430Potassium CarbonateHCID 265484-Hydroxybenzyl cyanideHCID 900121-Octanol, 8-chloro-

生成物 1

HCID 71272497HCID 71272497、化合物収率 62.5%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

反応条件

温度
80 °C

実験手順

20.0 g (150 mmol) of (4-hydroxyphenyl)acetonitrile and 29.5 g (179 mmol) of 8-chlorooctan-1-ol are dissolved in 400 mL of N,N-dimethylformamide. 41.5 g (300 mmol) of potassium carbonate and 5.0 g (30 mmol) of potassium iodide are added and the suspension is heated to 80° C. After 48 h, the excess of potassium carbonate is filtered off and the resulting filtrate is poured to icy water. The aqueous layer is extracted twice with ethyl acetate. Combined organic layers are washed with brine and evaporated to dryness. The crude is purified twice on column chromatography (SiO2, Heptane/ethyl acetate: 7/3) and dried overnight at 40° C. 24.5 g of {4-[(8-hydroxyoctyl)oxy]phenyl}acetonitrile are obtained as a yellow solid (62% yield). This material proves chromatographically homogenous and displays spectral characteristics consistent with its assigned structure.

後処理

  1. filtrationthe excess of potassium carbonate is filtered off
  2. additionthe resulting filtrate is poured to icy water
  3. extractionThe aqueous layer is extracted twice with ethyl acetate
  4. washCombined organic layers are washed with brine
  5. customevaporated to dryness
  6. customThe crude is purified twice on column chromatography (SiO2, Heptane/ethyl acetate: 7/3)
  7. customdried overnight at 40° C

出典と根拠

ORDレコード
ord-9902c0f1977044d1b298d87435721eeb
出典データセット
uspto-grants-2016_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09366906B2

反応ノート

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